;(function() {
  var messagingIframe,
  bridge = 'external',
  CUSTOM_PROTOCOL_SCHEME = 'jscall';

  if (window[bridge]) { return }

  function _createQueueReadyIframe(doc) {
  messagingIframe = doc.createElement('iframe');
		messagingIframe.style.display = 'none';
		doc.documentElement.appendChild(messagingIframe);
  }
  window[bridge] = {};
  var methods = [%@];
  for (var i=0;i<methods.length;i++){
  var method = methods[i];
  var code = "(window[bridge])[method] = function " + method + "() {messagingIframe.src = CUSTOM_PROTOCOL_SCHEME + ':' + arguments.callee.name + ':' + encodeURIComponent(JSON.stringify(arguments));}";
  eval(code);
  }

  //创建iframe，必须在创建external之后，否则会出现死循环
  _createQueueReadyIframe(document);
  //通知js开始初始化
  //initReady();
  })();

